Excel to CSV
Every sheet becomes its own CSV — free, in your browser
Workbooks with multiple sheets are converted one CSV per sheet, bundled into a ZIP.
100% private — Files are converted right in your browser and never uploaded to any server.
Comment ça marche
- 1
Drop in your Excel file (.xlsx or .xls).
- 2
Choose a delimiter — comma, semicolon or tab.
- 3
Click Convert and download — a single CSV, or a ZIP if there are multiple sheets.
Pourquoi nous choisir
Confidentiel par conception
Votre saisie est traitée en toute sécurité et jamais vendue. Les outils côté client ne quittent jamais votre navigateur.
Instantané et gratuit
Sans installation ni attente. Des résultats en quelques secondes, dans votre navigateur, sur tout appareil.
Gratuit pour toujours
Sans inscription, sans filigrane, sans limite. Tous les outils côté client sont libres d’utilisation.
Questions fréquentes
What happens to multiple sheets?⌄
Each sheet becomes its own CSV file, named after the sheet, bundled into a single ZIP download.
Does it support the old .xls format?⌄
Yes — both the modern .xlsx and the legacy binary .xls format are supported.
Is my file uploaded?⌄
No — the conversion runs entirely in your browser using an on-page engine. Your spreadsheet never leaves your device.
Why choose semicolon or tab instead of comma?⌄
Some locales and tools (e.g. Excel configured for certain European regions) expect semicolon-separated values; tab-separated is handy for pasting into other apps.